What was the main social basis of jim crow system

Jim Crow laws were designed to keep blacks and whites segregated.

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict

C, because he has a direct link and profit from the trade. the fastest way by boat to transport those goods is via the panama canal.